| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdint.h> |
| #include <string.h> |
| |
| #include <vector> |
| |
| #include <gtest/gtest.h> |
| |
| #include "Memory.h" |
| |
| TEST(MemoryLocalTest, read) { |
| std::vector<uint8_t> src(1024); |
| memset(src.data(), 0x4c, 1024); |
| |
| MemoryLocal local; |
| |
| std::vector<uint8_t> dst(1024); |
| ASSERT_TRUE(local.Read(reinterpret_cast<uint64_t>(src.data()), dst.data(), 1024)); |
| ASSERT_EQ(0, memcmp(src.data(), dst.data(), 1024)); |
| for (size_t i = 0; i < 1024; i++) { |
| ASSERT_EQ(0x4cU, dst[i]); |
| } |
| |
| memset(src.data(), 0x23, 512); |
| ASSERT_TRUE(local.Read(reinterpret_cast<uint64_t>(src.data()), dst.data(), 1024)); |
| ASSERT_EQ(0, memcmp(src.data(), dst.data(), 1024)); |
| for (size_t i = 0; i < 512; i++) { |
| ASSERT_EQ(0x23U, dst[i]); |
| } |
| for (size_t i = 512; i < 1024; i++) { |
| ASSERT_EQ(0x4cU, dst[i]); |
| } |
| } |
| |
| TEST(MemoryLocalTest, read_illegal) { |
| MemoryLocal local; |
| |
| std::vector<uint8_t> dst(100); |
| ASSERT_FALSE(local.Read(0, dst.data(), 1)); |
| ASSERT_FALSE(local.Read(0, dst.data(), 100)); |
| } |
| |
| TEST(MemoryLocalTest, read_overflow) { |
| MemoryLocal local; |
| |
| // On 32 bit this test doesn't necessarily cause an overflow. The 64 bit |
| // version will always go through the overflow check. |
| std::vector<uint8_t> dst(100); |
| uint64_t value; |
| ASSERT_FALSE(local.Read(reinterpret_cast<uint64_t>(&value), dst.data(), SIZE_MAX)); |
| } |